The German FA (DFB) has issued an apology to St. Pauli after partially covering up an anti-fascist banner during the national team's training session at the Millerntor stadium earlier this week.

St. Pauli, a famously left-wing club, has fought against racial and anti-gay prejudice for many years and a longstanding banner on one of the Millerntor's main stands reads: "No football for fascists."

However, prior to the Nationalmannschaft's training session before Tuesday's 0-0 draw with Poland,...